bearings kit for use in the Yamaha ATV Banshee front axle both wheels bearings, the kit contains 4 bearings, 2 small and 2 big, these 4 bearings fit in all model years, Bearings are made of Chrome Steel, bearings are sealed or shielded to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with grease, Bearings are packed in the original manufacturer bag.